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SKU: 51304690-100

Honeywell 51304690-100 Digital Input Card

The Honeywell 51304690-100 is a Digital Input Sequence of Events (SOE) card for the TDC 3000 system. It provides high-resolution timestamping for digital state changes, enabling precise root cause analysis and safety monitoring in complex industrial environments.

The Honeywell 51304690-100 functions as a high-precision Digital Input Sequence of Events (SOE) module. This component belongs to the proven TDC 3000 Distributed Control System (DCS) family. It monitors critical field contacts with exceptional temporal accuracy. The card records the exact chronological order of state changes. This capability proves vital for post-trip analysis in industrial facilities. Modern plants utilize this module to identify root causes of system failures.

Core Technical Functions

  • Event Timestamping: High-resolution clock synchronization for sub-millisecond event logging.
  • Signal Filtering: Built-in debounce logic prevents false triggers from electrical noise.
  • System Integration: Direct compatibility with Universal Control Network (UCN) architectures.
  • High Density: Multiple input channels facilitate comprehensive monitoring of complex machinery.
  • Diagnostic Support: Internal self-tests verify hardware integrity during continuous operation.

Industrial Applications

Safety-critical sectors rely on the 51304690-100 for reliable data logging. Power generation plants use these cards to monitor turbine trip sequences. Oil refineries implement them for emergency shutdown (ESD) verification. Chemical processors track valve transitions to ensure batch consistency. Furthermore, the card helps utilities meet regulatory requirements for event reporting. It ensures that every digital transition is documented for safety audits.

Hardware Specifications

ParameterDetail
ManufacturerHoneywell
Model Number51304690-100
SeriesTDC 3000 / Experion Upgrades
Weight0.6 kg
Physical Dimensions2.9 x 31.8 x 27.8 cm
OriginUnited States

Operational Reliability

Honeywell builds this module for sustained use in demanding process environments. The circuit design resists high-frequency interference and voltage surges. Modular construction allows for efficient replacement during planned maintenance. Consequently, the card maintains high availability for mission-critical control loops. It operates effectively across wide temperature ranges within standard DCS cabinets. This robustness reduces the total cost of ownership for long-term plant operations.